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tools: dumpimage: Clarify help

Help message isn't clear over the use of the "-T" option (it's to declare
the type of image that the tool is operating on), which also is optional
as it defaults to the default image type. It's also missing a description
of the "-o" option, so add it.

Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
Martyn Welch 5 anos atrás
pai
commit
e3b4fc9598
1 arquivos alterados com 4 adições e 3 exclusões
  1. 4 3
      tools/dumpimage.c

+ 4 - 3
tools/dumpimage.c

@@ -196,9 +196,10 @@ static void usage(void)
 		"          -l ==> list image header information\n",
 		params.cmdname);
 	fprintf(stderr,
-		"       %s -T type [-p position] [-o outfile] image\n"
-		"          -T ==> set image type to 'type'\n"
-		"          -p ==> 'position' (starting at 0) of the component to extract from image\n",
+		"       %s [-T type] [-p position] [-o outfile] image\n"
+		"          -T ==> declare image type as 'type'\n"
+		"          -p ==> 'position' (starting at 0) of the component to extract from image\n"
+		"          -o ==> extract component to file 'outfile'\n",
 		params.cmdname);
 	fprintf(stderr,
 		"       %s -h ==> print usage information and exit\n",